Williams Sound MOD 112 Guia de Instalação descarregar pdf (Página 8)

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Installation Step 3:

Baseband Cable Connection

If You’re Using One Transmitter:

Step 1: Determine the length of RG-58 coaxial

cable needed to reach from the transmitter

to the modulator unit. The modulator is

usually located with the other sound

equipment to simplify audio connections.

100 feet of coaxial cable is included with

each transmitter. You will need to cut it to

length. Additional RG-58 coax can be

added. Make sure you leave some slack at

each end.

Step 2: Install BNC connectors on each end of the

cable. (See Figure 6.)

Step 3: Connect the Baseband cable to the

Baseband Out jack on the MOD 1

12 mod

ulator and to the Baseband In jack on the

TX6 transmitter. (See Figures 5 and 7.)

If You’re Using More Than One Transmitter:

Step 1: Determine the length of coaxial cable

needed to reach between the transmitters.

100 feet of coaxial cable is included with

each transmitter

. You will need to cut it to

length. Additional RG–58 coax can be

added. Make sure you leave some slack at

each end.

Step 2:

Install BNC connectors on each end of the

cable. (See Figure 6.)

Step 3:

Connect the baseband cable from the

Baseband Out Jack on the first transmitter

in the chain (the one connected to the

MOD 1

12 Modulator) to the Baseband In

jack on the next TX6 transmitter in the

chain. Use the cable clamps and screws

provided to secure the cable.

The coax can

also be routed through conduit before

attaching BNC connectors. You can chain

as many transmitters together as you need.

Remember that each transmitter needs its

own power supply

Installation Step 4: MOD 112 Modulator

Location

The Modulator is usually located with the sound

system amplifier or mixer for easy access to an

audio input signal. For portable systems, the modu-

lator can be placed near the transmitter or wherever

is most convenient.

Power Connection For U.S. Applications:

Step 1: Connect the power supply to the 3-pin

Molex connector located on the rear of the

MOD 112. (See Figure 7.)

Step 2: Plug the power supply into an AC outlet.

Power Connection For Applications Outside The

U.S. Requiring 240 VAC Mains Supply:

See page 18.

Baseband Cable Connection

The MOD 112 drives one transmitter. The TX6

repeats the baseband signal, so any number of trans

mitters can be used.

The modulator outputs CAN

NOT be split with CATV splitters.

Audio Connection

The MOD 112 accepts audio signals from industry

standard low impedance microphones, balanced,and

unbalanced lines.

Microphones

An industry standard 3-pin male connector is used.

Pin 1 is the shield and pins 2 and 3 are audio. Power

for condenser microphones is supplied according to

DIN 45596.

Balanced Lines

A 1/4 inch Tip-Ring-Sleeve (3 conductor) phone

plug is used. The three-pin connectors are used for

mic inputs only.

Unbalanced Lines

A 1/4 inch Tip-Sleeve (2 conductor) phone plug is

used.

8 Ohm speaker lines can be connected to the bal

anced line inputs. Usually it is advantageous to not

connect to the sleeve of the plug, thus avoiding cre-

ating a ground loop.

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